diff --git a/tests/dockerfile b/tests/dockerfile
index a584f4f8..8bb9919d 100644
--- a/tests/dockerfile
+++ b/tests/dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.10
+FROM ubuntu:21.10
 ENV DEBIAN_FRONTEND=noninteractive
 MAINTAINER Matthias Hochsteger <matthias.hochsteger@tuwien.ac.at>
 RUN apt-get update && apt-get -y install \